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  3. In each of the following cases, where must an object be placed in front of a convex lens so that the image formed is

. In each of the following cases, where must an object be placed in front of a convex lens so that the image formed is

In each of the following cases, where must an object be placed in front of a convex lens so that the image formed is

(a) at infinity,

(b) of same size as the object,

(c) inverted and enlarged,

(d) upright and enlarged?

Best Answer

(a) At focus,

(b) At 2F,

(c) Between F and 2F,

(d) Between optical centre and focus.

 

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